2 May - 2 min - Uploaded by Pharozos Some nice shaders modified by Sonic Ether Using: OptiFine HD A6 Smooth, Ultra DOF pack. Download SEUS v Lite. I have read and accepted the EULA. An abridged version is available. X. Sonic Ether's Unbelievable Shaders (here and hereafter. Hi all, I have a problem with the shaderpack SEUS v8 (Ultra, Standard & Lite) Every time I select this shaderpack I have none of the SEUS. Sonic Ether's Unbelievable Shaders adds a beautiful lighting effect to the game. This mod works in both SMP and SSP. The max frame rate you should expect is. 1. Go to Sonic Ethers thread (link above); 2. Search for the v08 download and get it. (I have downloaded the Ultra version); 3. Extract the “ultra vzip” file; 4.